Engineering Phase Schedule
Table of Contents
Overview
The Engineering Phase is a critical foundation for the entire CCPP project. This phase typically spans 6-12 months depending on project complexity and size. The schedule below provides a detailed breakdown of engineering activities, milestones, and deliverables.
| ID | Activity | Duration (weeks) | Predecessors | Resources | Deliverables |
|---|---|---|---|---|---|
| E1 | Project Kickoff and Engineering Mobilization | 2 | - | Project Manager, Engineering Manager, Discipline Leads | Project Execution Plan, Engineering Management Plan |
| E2 | Site Investigation and Data Collection | 4 | E1 | Civil Engineers, Geotechnical Engineers | Site Investigation Report, Geotechnical Report |
| E3 | Process Design Basis Development | 3 | E1 | Process Engineers | Process Design Basis Document |
| E4 | Heat and Mass Balance Calculations | 3 | E3 | Process Engineers, Thermal Engineers | Heat and Mass Balance Diagrams |
| E5 | Process Flow Diagrams (PFDs) | 4 | E4 | Process Engineers | Process Flow Diagrams |
| E6 | Piping and Instrumentation Diagrams (P&IDs) | 6 | E5 | Process Engineers, Instrumentation Engineers | P&ID Drawings |
| E7 | Equipment Sizing and Specifications | 5 | E5 | Mechanical Engineers, Process Engineers | Equipment Data Sheets, Specifications |
| E8 | Electrical Single Line Diagrams | 4 | E3 | Electrical Engineers | Electrical Single Line Diagrams |
| E9 | Control System Architecture | 4 | E6 | Control Systems Engineers | Control System Architecture Diagrams |
| E10 | Civil/Structural Conceptual Design | 4 | E2 | Civil/Structural Engineers | Conceptual Civil/Structural Drawings |
| E11 | Plant Layout Development | 5 | E7, E10 | All Disciplines | General Arrangement Drawings |
| E12 | 30% Design Review | 2 | E11 | All Disciplines, Project Manager | 30% Design Package, Review Comments |
| E13 | Civil/Structural Detailed Design | 8 | E12 | Civil/Structural Engineers | Foundation Drawings, Structural Steel Drawings |
| E14 | Mechanical Detailed Design | 10 | E12 | Mechanical Engineers | Mechanical Drawings, Equipment Layouts |
| E15 | Piping Detailed Design | 12 | E14 | Piping Engineers | Piping Isometric Drawings, Pipe Support Drawings |
| E16 | Electrical Detailed Design | 10 | E12 | Electrical Engineers | Electrical Equipment Layouts, Cable Schedules |
| E17 | Instrumentation Detailed Design | 10 | E16 | Instrumentation Engineers | Instrument Index, Loop Diagrams |
| E18 | Control Systems Detailed Design | 12 | E17 | Control Systems Engineers | Control System Configuration, Logic Diagrams |
| E19 | HVAC Detailed Design | 8 | E14 | HVAC Engineers | HVAC Drawings, Duct Layouts |
| E20 | Fire Protection Detailed Design | 8 | E14 | Fire Protection Engineers | Fire Protection Drawings |
| E21 | 60% Design Review | 2 | E13, E14, E16, E17 | All Disciplines, Project Manager | 60% Design Package, Review Comments |
| E22 | Design Optimization and Refinement | 4 | E21 | All Disciplines | Updated Design Documents |
| E23 | Procurement Specifications Finalization | 6 | E22 | All Disciplines, Procurement Team | Final Procurement Specifications |
| E24 | Construction Drawings Development | 8 | E22 | All Disciplines | Construction Drawings |
| E25 | 90% Design Review | 2 | E23, E24 | All Disciplines, Project Manager | 90% Design Package, Review Comments |
| E26 | Design Finalization and Approval | 4 | E25 | All Disciplines | Final Design Package |
| E27 | Issued for Construction (IFC) Documentation | 3 | E26 | Document Control, All Disciplines | IFC Drawing Package |
| E28 | Engineering Support for Procurement | Ongoing | E23 | All Disciplines | Technical Bid Evaluations, Vendor Drawing Reviews |
| E29 | Engineering Support for Construction | Ongoing | E27 | All Disciplines | RFI Responses, Field Change Notices |
| Milestone ID | Description | Schedule Date (weeks from start) |
|---|---|---|
| EM1 | Project Kickoff Meeting | Week 1 |
| EM2 | Process Design Basis Approval | Week 5 |
| EM3 | 30% Design Review Completion | Week 24 |
| EM4 | 60% Design Review Completion | Week 44 |
| EM5 | 90% Design Review Completion | Week 60 |
| EM6 | Issued for Construction (IFC) Package Release | Week 67 |
-
Process Engineering
- Heat and mass balance calculations
- Process flow diagrams
- Process data sheets
- Performance specifications
-
Mechanical Engineering
- Equipment specifications and selection
- Mechanical system design
- HRSG design coordination
- Turbine integration
-
Civil/Structural Engineering
- Foundation design
- Structural steel design
- Building design
- Site development
-
Electrical Engineering
- Power distribution systems
- Switchyard design
- Generator interconnection
- Lighting systems
-
Instrumentation and Control Engineering
- Control system architecture
- Instrumentation selection
- DCS/PLC programming specifications
- SCADA systems
-
Piping Engineering
- Piping layouts
- Pipe stress analysis
- Pipe support design
- Material specifications
-
HVAC Engineering
- Ventilation systems
- Air conditioning systems
- Equipment cooling
-
Fire Protection Engineering
- Fire detection systems
- Fire suppression systems
- Emergency response planning
-
30% Design Review
- Confirm design basis and criteria
- Validate major equipment selections
- Review preliminary layouts
- Identify potential design conflicts
-
60% Design Review
- Detailed review of all discipline designs
- Interference checking
- Construction methodology review
- Procurement package readiness
-
90% Design Review
- Final design verification
- Construction drawing completeness
- Specification completeness
- Regulatory compliance verification
-
Final Design Approval
- Complete design package verification
- Client approval
- Release for construction
-
Interface with Procurement
- Technical specifications for equipment
- Vendor document review
- Technical bid evaluations
- Equipment delivery schedules
-
Interface with Construction
- Construction methodology input
- Constructability reviews
- Field change requests
- As-built documentation
-
Interface with Commissioning
- System turnover packages
- Commissioning procedures
- Performance test protocols
- Operating manuals and training materials
-
Interface with Operations
- Operability reviews
- Maintenance accessibility
- Spare parts recommendations
- Training program development
-
Design Verification
- Independent checking of calculations
- Peer reviews of drawings
- 3D model reviews
- Interference detection
-
Standards Compliance
- Industry code compliance checks
- Regulatory requirement verification
- Client standard adherence
- Quality assurance audits
-
Design Change Management
- Formal change request process
- Impact assessment procedures
- Change approval workflow
- Change implementation tracking
This engineering phase schedule provides a comprehensive framework for managing the design development of a combined cycle power plant, ensuring all technical aspects are properly addressed before proceeding to procurement and construction phases.